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Re: save-buffer in tar-mode

From: Kenichi Handa
Subject: Re: save-buffer in tar-mode
Date: Thu, 5 Feb 2004 11:17:44 +0900 (JST)
User-agent: SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.2 Emacs/21.3 (sparc-sun-solaris2.6) MULE/5.0 (SAKAKI)

In article <address@hidden>, Tak Ota <address@hidden> writes:
>>  Yes.  tar-mode toggles enable-multibyte-characters on saving
>>  a file by set-buffer-multibyte and that function discards
>>  undo info.  To fix it, we must record this toggling in
>>  buffer-undo-list.  I proposed it long ago but was rejected
>>  at that time (I don't remember the reason, perhaps, just
>>  because it's not worth to work on it).

> Thanks for the explanation.  I think it should be fixed.  Or, at least
> this unwelcome side effect should be mentioned (warned) in the doc
> string of set-buffer-multibyte where currently no mentioning about
> this hidden trap.

I added this sentence in the docstring.

If the multibyte flag was really changed, undo information of the
current buffer is cleared.

Ken'ichi HANDA

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